fonsecapontes / Regex-Awesome

A Collection of Regex

Regex-Awesome

• Formatting
  • CEP
  • CNPJ
  • CPF
• Validation
  • Date dd/MM/yyyy
  • Integer Negative
  • Integer Positive
  • Integer Positive or Negative
  • IPv4
  • IPv6
  • Mail
  • Post Code Brazil
  • Time
  • URL
  • Zip Code US

Formatting

Regex used for string formatting

CEP

("99999999").replace(/(\d{5})(\d{3})/g, "$1-$2")

99999-999

CNPJ

("99999999999999").replace(/(\d{2})(\d{3})(\d{3})(\d{4})(\d{2})/g, "$1.$2.$3/$4-$5")

99.999.999/9999-99

CPF

("99999999999").replace(/(\d{3})(\d{3})(\d{3})(\d{2})/g, "\$1.\$2.\$3\-\$4")

999.999.999-99

Validation

Regex used for validations

Date dd/MM/yyyy

^(?:(?:31(\/|-|\.)(?:0?[13578]|1[02]))\1|(?:(?:29|30)(\/|-|\.)(?:0?[1,3-9]|1[0-2])\2))(?:(?:1[6-9]|[2-9]\d)?\d{2})$|^(?:29(\/|-|\.)0?2\3(?:(?:(?:1[6-9]|[2-9]\d)?(?:0[48]|[2468][048]|[13579][26])|(?:(?:16|[2468][048]|[3579][26])00))))$|^(?:0?[1-9]|1\d|2[0-8])(\/|-|\.)(?:(?:0?[1-9])|(?:1[0-2]))\4(?:(?:1[6-9]|[2-9]\d)?\d{2})$

31/01/2017 => true
31/02/2017 => false

Integer Negative

^-\d+$

-10 => true
100 => false

Integer Positive

^\d+$

100 => true
-10 => false

Integer Positive or Negative

^-?\d+$

100 => true
-10 => true
AAA => false

IPv4

^(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.){3}([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])$

192.168.0.1 => true

IPv6

^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$

2001:0db8:85a3:0000:0000:8a2e:0370:7334 => true

Mail

^([a-zA-Z0-9_\-\.]+)@([a-zA-Z0-9_\-\.]+)\.([a-zA-Z]{2,5})$

[e-mail] => true

Post Code Brazil

/^\d{5}-?\d{3}$/

12345-678

Time

^([0-9]|0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$

18:56 => true

URL

(http|ftp|https)://([\w_-]+(?:(?:\.[\w_-]+)+))([\w.,@?^=%&:/~+#-]*[\w@?^=%&/~+#-])?

https://www.domain.com => true

Zip Code US

^\d{5}(?:[-\s]\d{4})?$

12345-6789